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EP3702409B1 - Polycarbonatharzzusammensetzung und optisches formprodukt damit - Google Patents

Polycarbonatharzzusammensetzung und optisches formprodukt damit Download PDF

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Publication number
EP3702409B1
EP3702409B1 EP19802975.3A EP19802975A EP3702409B1 EP 3702409 B1 EP3702409 B1 EP 3702409B1 EP 19802975 A EP19802975 A EP 19802975A EP 3702409 B1 EP3702409 B1 EP 3702409B1
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EP
European Patent Office
Prior art keywords
polycarbonate resin
resin composition
molded product
weight
composition according
Prior art date
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EP19802975.3A
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English (en)
French (fr)
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EP3702409A1 (de
EP3702409A4 (de
Inventor
Byoungkue JEON
Youngwook SON
Daehyeon HWANG
Mooho Hong
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LG Chem Ltd
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LG Chem Ltd
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Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B1/00—Dyes with anthracene nucleus not condensed with any other ring
    • C09B1/50—Amino-hydroxy-anthraquinones; Ethers and esters thereof
    • C09B1/503—Amino-hydroxy-anthraquinones; Ethers and esters thereof unsubstituted amino-hydroxy anthraquinone
    • C09B1/5035—Amino-hydroxy-anthraquinones; Ethers and esters thereof unsubstituted amino-hydroxy anthraquinone only amino and hydroxy groups
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L69/00—Compositions of polycarbonates; Compositions of derivatives of polycarbonates
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G64/00—Macromolecular compounds obtained by reactions forming a carbonic ester link in the main chain of the macromolecule
    • C08G64/04—Aromatic polycarbonates
    • C08G64/06—Aromatic polycarbonates not containing aliphatic unsaturation
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/0008—Organic ingredients according to more than one of the "one dot" groups of C08K5/01 - C08K5/59
    • C08K5/0041—Optical brightening agents, organic pigments
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/04—Oxygen-containing compounds
    • C08K5/10—Esters; Ether-esters
    • C08K5/101—Esters; Ether-esters of monocarboxylic acids
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/04—Oxygen-containing compounds
    • C08K5/10—Esters; Ether-esters
    • C08K5/101—Esters; Ether-esters of monocarboxylic acids
    • C08K5/103—Esters; Ether-esters of monocarboxylic acids with polyalcohols
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/16—Nitrogen-containing compounds
    • C08K5/17—Amines; Quaternary ammonium compounds
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/16—Nitrogen-containing compounds
    • C08K5/17—Amines; Quaternary ammonium compounds
    • C08K5/18—Amines; Quaternary ammonium compounds with aromatically bound amino groups
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B67/00—Influencing the physical, e.g. the dyeing or printing properties of dyestuffs without chemical reactions, e.g. by treating with solvents grinding or grinding assistants, coating of pigments or dyes; Process features in the making of dyestuff preparations; Dyestuff preparations of a special physical nature, e.g. tablets, films
    • C09B67/0001—Post-treatment of organic pigments or dyes
    • C09B67/0002—Grinding; Milling with solid grinding or milling assistants
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B67/00—Influencing the physical, e.g. the dyeing or printing properties of dyestuffs without chemical reactions, e.g. by treating with solvents grinding or grinding assistants, coating of pigments or dyes; Process features in the making of dyestuff preparations; Dyestuff preparations of a special physical nature, e.g. tablets, films
    • C09B67/0033—Blends of pigments; Mixtured crystals; Solid solutions
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
    • G02B1/04—Optical elements characterised by the material of which they are made; Optical coatings for optical elements made of organic materials, e.g. plastics
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
    • G02B1/04—Optical elements characterised by the material of which they are made; Optical coatings for optical elements made of organic materials, e.g. plastics
    • G02B1/041—Lenses

Definitions

  • the present invention relates to a polycarbonate resin composition having excellent thermal stability and optical properties, and an optical molded product including the same.
  • Polycarbonate resins are excellent in physical properties such as impact strength, dimensional stability, heat resistance, and transparency, and thus are used in many applications such as for exterior materials of electronic and electrical products, automobile parts, building materials, optical parts, and the like.
  • US 2009/186967 A1 discloses polycarbonate resin compositions and molded product made thereof. The resin compositions have well balanced physical properties including heat resistance.
  • Optical applications are mentioned e.g. transparent parts for lighting or vehicles such as meter covers, room lamps, tail light lenses, turning signals lamps and head light lenses.
  • An object of the present invention is to provide a polycarbonate resin composition having excellent heat resistance and excellent optical properties by introducing a specific additive and a combination of two kinds of dyes.
  • Another object of the present invention is to provide an optical molded product produced from the above-mentioned polycarbonate resin composition.
  • a polycarbonate resin composition according to claim 1 is provided.
  • an optical molded product including the above-mentioned polycarbonate resin composition is provided.
  • a first component may be referred to as a second component, or similarly, the second component may be referred to as the first component, without departing from the scope of the present invention.
  • a polycarbonate resin it is necessary to adjust the transparency of a polycarbonate according to the applied product group.
  • an optical product for example, a lens
  • the present inventors have realized low transmittance in a specific wavelength range and a low change in yellowness index under high temperature conditions by using a specific additive and two types of dyes having excellent absorption rates at a predetermined wavelength in combination, and thus have developed a polycarbonate resin composition having excellent heat resistance and a high shielding rate in a specific wavelength range.
  • the degree of denaturation and hue change of the polymer is remarkably small even during high temperature injection molding conditions in the production process.
  • the lens when used as a lens, it can exhibit an excellent shielding rate in a specific visible light region (410 nm), and thus can be used for a wide range of applications such as general use, industrial use, sports use, special use, and the like, which is preferable.
  • the polycarbonate resin composition according to the present invention satisfies a transmittance at 410 nm of 7 % or less according to ASTM D1003.
  • the transmittance at 410 nm can preferably satisfy 5 % or less, and more preferably 4.5 % or less. In this case, effects intended by the present invention can be increased.
  • the polycarbonate resin composition according to the invention satisfies a change in yellowness index represented by the following General Equation 1 of 0.5 or less, and by simultaneously satisfying the change in yellowness index ( ⁇ YI) and the transmittance in the above range, it is possible to satisfy all the physical properties when applied to products.
  • ⁇ YI YI 340 ° C ⁇ YI 285 ° C
  • YI is the yellowness index value measured according to ASTM D1925 at the corresponding temperature.
  • the parameter of change in yellowness index ( ⁇ YI) in the above range means an index showing excellent heat resistance even in a high temperature injection process. This means that even when there is a temperature change at high temperatures from 285 °C to 340 °C, it shows a remarkably low change in yellowness index, and thus exhibits excellent heat resistance not only in the product manufacturing process but also even if the product is used while subjected to high temperature environmental conditions.
  • the change in yellowness index can preferably satisfy 0.3 or less, and more preferably 0.1 or less. In this case, effects intended by the present invention can be increased.
  • a polycarbonate resin composition according to the present invention includes: a polycarbonate resin; pentaerythritol tetrastearate; a black dye; and a blue dye, thereby satisfying the above-mentioned specific parameter values.
  • polycarbonate refers to a polymer that is prepared by reacting a diphenol-based compound, a phosgene, a carbonate ester, or a combination thereof.
  • the polycarbonate is excellent in heat resistance, impact resistance, mechanical strength, transparency, and the like, and thus is widely used in the preparation of a compact disk, a transparent sheet, a packaging material, an automobile bumper, a UV-blocking film, an optical lens, and the like.
  • diphenol-based compound may include hydroquinone, resorcinol, 4,4'-dihydroxydiphenyl, 2,2-bis(4-hydroxyphenyl)propane (also referred to as "bisphenol-A"), 2,4-bis(4-hydroxyphenyl)-2-methylbutane, bis(4-hydroxyphenyl)methane, 1,1-bis(4-hydroxyphenyl)cyclohexane, 2,2-bis(3-chloro-4-hydroxyphenyl)propane, 2,2-bis(3,5-dimethyl-4-hydroxyphenyl)propane, 2,2-bis(3,5-dichloro-4-hydroxyphenyl)propane, 2,2-bis(3,5-dibromo-4-hydroxyphenyl)propane, bis(4-hydroxyphenyl)sulfoxide, bis(4-hydroxyphenyl)ketone, bis(4-hydroxyphenyl)ether, and the like.
  • bisphenol-A 2,2-bis(4-hydroxyphenyl)prop
  • polycarbonate resin is represented by the following Chemical Formula 1.
  • a is an integer of 1 or more.
  • the polycarbonate resin may be a mixture of copolymers prepared from two or more diphenols.
  • the polycarbonate may include a linear polycarbonate, a branched polycarbonate, a polyester carbonate copolymer resin, and the like.
  • the linear polycarbonate may include a polycarbonate or the like which is prepared from bisphenol-A.
  • the branched polycarbonate may include those prepared by reacting a polyfunctional aromatic compound such as trimellitic anhydride and trimellitic acid with diphenols and carbonates.
  • the polyfunctional aromatic compound may be included in an amount of 0.05 to 2 mol%, based on the total amount of the branched polycarbonate.
  • the polyester carbonate copolymer resins may include those prepared by reacting a difunctional carboxylic acid with diphenols and carbonates.
  • the carbonates may include diaryl carbonates such as diphenyl carbonate and ethylene carbonate or the like.
  • the polycarbonate resin satisfies a melt flow rate (MFR) of 5 to 15 g/10 min according to ASTM D1238.
  • the melt flow rate is measured at 300 °C under a load of 1.2 kg according to ASTM D1238.
  • melt flow rate When the melt flow rate is less than 5 g/min, the processability may be decreased and the productivity may be reduced. When the melt flow rate is greater than 15 g/min, the resin flow may be excessive under the relevant processing conditions, which may cause surface defects in the molded product.
  • melt flow rate may preferably satisfy 6 to 13 g/10 min, and more preferably 7 to 10 g/10 min. In this case, effects intended by the present invention can be increased.
  • the polycarbonate resin has a weight average molecular weight of 10,000 g/mol to 50,000 g/mol, and preferably 25,000 g/mol to 35,000 g/mol.
  • PTS Pentaerythritol tetrastearate
  • the pentaerythritol tetrastearate component according to one embodiment of the invention is a component having an auxiliary function to achieve excellent thermal stability and simultaneously improve shielding properties in a specific wavelength range, and it can be used in combination with a black dye and a blue dye to be described later to maximize its effects.
  • the pentaerythritol tetrastearate may be contained in an amount of 0.05 to 5 parts by weight, preferably 0.1 to 1 part by weight, based on 100 parts by weight of the polycarbonate resin.
  • the pentaerythritol tetrastearate is contained within the above range, it is possible to achieve excellent heat resistance and shielding properties, and it is preferable for realizing heat resistance and auxiliary shielding effects in a specific wavelength range.
  • the content when the content is less than 0.05 parts by weight, it is difficult to realize a desired effect with a small amount, and when the content is greater than 5 parts by weight, the mechanical strength may be lowered.
  • a black dye and a blue dye are used in combination, which are further used in combination with a component for improving the shielding property in a specific wavelength region, i.e., the above-mentioned PETS component, thereby simultaneously realizing shielding performance and heat resistance improving effects.
  • the black dye may be specifically a compound of C.I. Pigment Black 32 (perylene black), and commercially available products may be BK32 (ThermoPlast Black X70) from BASF.
  • the black dye can effectively block light in the entire wavelength range, and when using it in combination with the PETS component and the blue dye, it is possible to achieve a shielding property that is suitable for application to lenses, which is preferable.
  • the black dye may be contained in an amount of 1.0 * 10 -4 to 1.0 * 10 -1 parts by weight, preferably 1.0 * 10 -4 to 1.0 * 10 -2 parts by weight, and more preferably 1.1 * 10 -3 to 2.0 * 10 -3 parts by weight, based on 100 parts by weight of the polycarbonate resin.
  • the shielding properties suitable for application to a lens can be realized.
  • the blue dye may be a compound of the following Chemical Formula 2 (CAS No. 81-48-1 ), and commercially available products may be Blue G (Macrolex Violet B Gran) from Lanxess.
  • the blue dye may preferably be a reddish blue series dye.
  • the blue dye plays a role in improving the degree of yellowing of the resin, and at the same time, when used in combination with the PETS component and the black dye, it is possible to realize heat resistance and a shielding property suitable for application to a lens, which is preferable.
  • visible light in the range of 425 to 450 nm can be effectively controlled.
  • the blue dye may be contained in an amount of 1.0*10 -4 to 1.0*10 -1 parts by weight, preferably 1.0*10 -4 to 1.0*10 -2 parts by weight, more preferably 1.5*10 -3 to 2.5*10 -3 parts by weight, based on 100 parts by weight of the polycarbonate resin.
  • the blue dye is contained within the above range, excellent shielding properties can be realized, and the degree of yellowing of the resin can be improved, which is preferable.
  • the content when the content is less than 1.0 * 10 -4 parts by weight, it is difficult to realize a desired effect with such a small amount.
  • the content when the content is greater than 1.0 * 10 -1 parts by weight, it may be disadvantageous for commercial application due to the phenomenon in which the YI is decreased and the transmittance is reduced.
  • the polycarbonate resin composition according to one embodiment of the present invention includes the above-mentioned components and satisfies specific parameters (transmittance and ⁇ YI), thereby realizing heat resistance and excellent optical properties (shielding property at 410 nm). As a result, the degree of denaturation and hue change of the polymer is remarkably small even under high-temperature injection molding conditions in the manufacturing process.
  • the resin composition may further include at least one additive selected from the group consisting of an antioxidant, a heat stabilizer, a plasticizer, an antistatic agent, a nucleating agent, a flame retardant, a lubricant, an impact-reinforcing agent, a fluorescent brightener, an ultraviolet absorber, and a radiation absorber.
  • at least one additive selected from the group consisting of an antioxidant, a heat stabilizer, a plasticizer, an antistatic agent, a nucleating agent, a flame retardant, a lubricant, an impact-reinforcing agent, a fluorescent brightener, an ultraviolet absorber, and a radiation absorber.
  • an optical molded product including the above-mentioned resin composition is provided.
  • the optical molded product is a lens, and is suitable for use in an illumination lens or a spectacle lens.
  • the polycarbonate resin composition according to the present invention is excellent in heat resistance and shielding properties, and thus can be effectively used as an optical molded product.
  • the method for preparing a molded product may be carried out by methods commonly used in the art.
  • the molded product can be preferably prepared by mixing the above-mentioned polycarbonate resin, pentaerythritol tetrastearate, a black dye, and a blue dye, and optionally, an additive, melt-kneading the mixture to prepare pellets, and then subjecting the pellets to injection molding in a desired form.
  • the melt kneading may be carried out by a method commonly used in the art, for example, a method using a ribbon blender, a Henschel mixer, a Banbury mixer, a drum tumbler, a single screw extruder, a twin screw extruder, a co-kneader, a multi-screw extruder, and the like.
  • the temperature of the melt-kneading can be suitably adjusted as needed.
  • the molded product can be produced by applying a molding process such as an injection molding process, an injection compression molding process, an extrusion molding process, a vacuum molding process, a blow molding process, a press molding process, an air-pressure molding process, a foam molding process, a thermal bending molding process, a compression molding process, a calendar molding process, a rotary molding process, or the like, using the melt-kneaded product or pellets of the resin composition according to the present invention as a raw material.
  • a molding process such as an injection molding process, an injection compression molding process, an extrusion molding process, a vacuum molding process, a blow molding process, a press molding process, an air-pressure molding process, a foam molding process, a thermal bending molding process, a compression molding process, a calendar molding process, a rotary molding process, or the like.
  • the injection molding method When the injection molding method is used, it is subjected to high temperature conditions from 200 to 400 °C.
  • the resin composition according to the present invention is excellent in heat resistance, modification or yellowing of the polymer does not substantially occur in the melt-kneading step or the injection step described above, which is preferable.
  • the thickness of the molded product can be appropriately adjusted in accordance with the purpose of use, and the shape of the light guide plate may be a flat plate or a curved shape in accordance with the purpose of use.
  • an optical molded product produced from a polycarbonate resin composition capable of exhibiting excellent optical properties even under high temperature conditions.
  • a polycarbonate resin composition was prepared by mixing the respective additive components in the amounts shown in Table 1 based on 100 parts by weight of the polycarbonate resin composition.
  • Table 1 Classification PC resin Additive Dye (component/content) Parts by weight A B C D E F G
  • Example 1 a-1/ b-1/ 0.075 c-1/0.12 d-1/ e-1/ f-1/0.00014 - 99.404957 c-2/0.12 0.05 0.35 f-2/0.0002 xample 2 a-1/ b-1/ 0.075 c-1/0.12 d-1/ e-1/ f-1/0.00017 - 99.404957 0.05 0.35 f-2/0.0002 omparative Example 1 a-1/ b-1/ 0.075 c-1/0.12 d-1/ e-1/ - g-1/0.00014 99.404957 0.05 0.35 g-2/0.0002 omparative Example 2 a-1/ -1/ 0.075 c-1/0.1
  • the melt flow rate was measured at 300 °C under a load of 1.2 kg using a Melt Indexer G-02 (manufactured by Toyoseiki) in accordance with ASTM D1238, and the results are shown in Table 2 below.
  • the transmittance at 410 nm was measured under the transmission condition of 350 to 1050 nm using a HunterLab instrument in accordance with ASTM D1003, and the results are shown in Table 2 below.
  • the yellowness index was measured under the transmission condition of 350 to 1050 nm using HunterLab equipment in accordance with ASTM D1925.

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Claims (8)

  1. Polycarbonatharzzusammensetzung, umfassend: ein Polycarbonatharz mit einer Schmelzflussrate (MFR) von 5 bis 15 g/10 min gemäß ASTM D1238; Pentaerythritoltetrastearat; einen schwarzen Farbstoff; und einen blauen Farbstoff,
    wobei Transmissionsvermögen bei 410 nm gemäß ASTM D1003 7% oder weniger ist, und
    wobei eine Änderung im Vergilbungsindex (ΔYI), ausgedrückt durch die folgende allgemeine Gleichung 1, 0,5 oder weniger ist: Δ YI = YI 340 ° C − YI 285 ° C
    Figure imgb0009
    wobei YI der Vergilbungsindexwert ist, gemessen wie in der Beschreibung angegeben.
  2. Polycarbonatharzzusammensetzung nach Anspruch 1, wobei das Polycarbonatharz eine Wiederholungseinheit einschließt, die durch die folgende chemische Formel 1 dargestellt ist:
    Figure imgb0010
     wobei in chemischer Formel 1 a eine ganze Zahl von 1 oder höher ist.
  3. Polycarbonatharzzusammensetzung nach Anspruch 1, wobei der schwarze Farbstoff C.I. Pigment Black 32 ist.
  4. Polycarbonatharzzusammensetzung nach Anspruch 1, wobei der blaue Farbstoff eine Verbindung ist, die durch die folgende chemische Formel 2 dargestellt ist:
    Figure imgb0011
  5. Polycarbonatharzzusammensetzung nach Anspruch 1, wobei das Pentaerythritoltetrastearat in einer Menge von 0,05 bis 5 Gewichtsteilen enthalten ist, der schwarze Farbstoff in einer Menge von 1,0 ∗ 10-4 bis 1,0 ∗ 10-1 Gewichtsteilen enthalten ist und der blaue Farbstoff in einer Menge von 1,0 ∗ 10-4 bis 1,0 ∗ 10-1 Gewichtsteilen enthalten ist, basierend auf 100 Gewichtsteilen des Polycarbonatharzes.
  6. Polycarbonatharzzusammensetzung nach Anspruch 1, wobei die Polycarbonatharzzusammensetzung ferner wenigstens ein Additiv umfasst, ausgewählt aus der Gruppe bestehend aus einem Antioxidationsmittel, einem Wärmestabilisator, einem Weichmacher, einem antistatischen Mittel, einem Nukleierungsmittel, einem Flammhemmstoff, einem Schmiermittel, einem Schlagzähverstärkungsmittel, einem Ultraviolettabsorber und einem Fluoreszenzaufheller.
  7. Optisches geformtes Produkt, umfassend die Polycarbonatharzzusammensetzung nach einem der Ansprüche 1 bis 6.
  8. Optisches geformtes Produkt nach Anspruch 7, wobei das optische geformte Produkt eine Linse ist.
EP19802975.3A 2018-05-15 2019-04-18 Polycarbonatharzzusammensetzung und optisches formprodukt damit Active EP3702409B1 (de)

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KR1020180055589A KR102209392B1 (ko) 2018-05-15 2018-05-15 폴리카보네이트 수지 조성물 및 이를 포함하는 광학 성형품
PCT/KR2019/004713 WO2019221408A1 (ko) 2018-05-15 2019-04-18 폴리카보네이트 수지 조성물 및 이를 포함하는 광학 성형품

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EP3702409A1 EP3702409A1 (de) 2020-09-02
EP3702409A4 EP3702409A4 (de) 2021-03-10
EP3702409B1 true EP3702409B1 (de) 2023-07-19

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EP (1) EP3702409B1 (de)
JP (1) JP6991322B2 (de)
KR (1) KR102209392B1 (de)
CN (1) CN111183182B (de)
TW (1) TWI695862B (de)
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